Cd2+ effects on transmembrane electrical potential difference, respiration and membrane permeability of rice (Oryza sativa L) roots.

@article{Llamas2004Cd2EO,
  title={Cd2+ effects on transmembrane electrical potential difference, respiration and membrane permeability of rice (Oryza sativa L) roots.},
  author={Andreu Llamas and Cornelia I. Ullrich and Amparo Sanz},
  journal={Plant and Soil},
  year={2004},
  volume={219},
  pages={21-28}
}
Among other detrimental effects of the heavy metal Cd2+, a decrease in the plant content of essential mineral nutrients is known. In this study, the effect of Cd2+ on different physiological activities of rice roots involved in nutrient acquisition has been studied. Upon addition of 0.1 or 1 mM Cd2+ to the experimental solution, root cell membranes depolarized in few minutes, reaching very low Em values. This effect was transient and the initial membrane potential recovered totally within 6–8 h… CONTINUE READING